The starter motor of a car engine draws a current of 190 A from the battery. The copper wire to the motor is 4?
Apr 21, 2010 by LilmissAfrica | Posted in Maintenance & Repairs
The starter motor of a car engine draws a current of 190 A from the battery. The copper wire to the motor is 4.60 mm in diameter and 1.2 m long. The starter motor runs for 0.660 s until the car engine starts.How far does an electron travel along the wire
The answer is a rather complicated equation based on the wire diameter and current. The equation is in the link and I'm not going to solve it for you using your parameters, 190 amps and 4.6mm diameter, but the electrons actually only move about 1 cm.
Howard L | Apr 21, 2010
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